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LOW PRESSURE
Intrinsically Safe Transducer
AST44LP
Overview
The AST44LP is a stainless steel pressure transducer with a wide
variety of options. With its rugged construction and the best price-to-
performance ratio in the industry, the AST44LP is the solution for low
pressure measurement in Intrinsically Safe areas.
Benefits
Class I Div 1 Intrinsically Safe Groups C, D when installed with an
approved barrier
ATEX / IECEx: Class I Zone 0 Exia IIB T4 Ga (Ta = -40°C to +80°C)
High Strength Stainless Steel Construction
No Internal O-rings
Wide Operating Temperature
Pressures from 0-1 to 0-15 PSI
Low Static and Thermal Errors
Unparalleled Price and Performance
Compatible with Wide Variety of Liquids and Gases
Applications
Industrial OEM Equipment
HVAC/R Equipment
Water Management and External Tank Levels
Control Panels
Pneumatics and Hydraulic Systems
Vapor Recovery
Data Loggers
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Accuracy
< ±0.25% BFSL (<±0.5% for 0-1 PSI)
Stability (1 year)
±0.25% FS, typical
Over Range
Protection
2X Rated Pressure, Minimum
Burst Pressure
5X or 75 PSI (whichever is less)
Pressure Cycles
>100 Million
Operating
-40 to 80°C (-40 to 176°F)
Storage
-40 to 100°C (-40 to 212°F)
0-100% relative humidity, non-condensing
Compensated Range
0 to 55°C (32 to 132°F)
TC Zero
<±1.5% of FS
TC Span
<±1.5% of FS
Shock
EN 60068-2-27
Vibration
EN 60068-2-6, 60068-2-64, and IEC 68-2-32
EMI/RFI Protection:
Yes
Rating:
IP-66, min
Output
4-20mA
1-5VDC, 1-6VDC
Excitation
10-28VDC
10-28VDC
Output Impedance
>10k Ohms
<100 Ohms, Nominal
Current
Consumption:
20mA, typical
5mA, typical
Bandwidth
(-3dB): DC to 250 Hz
(-3dB): DC to 1kHz
Output Noise
-
<2mV RMS
Zero Offset:
<±1% of FS
<±1% of FS
Span Tolerance:
<±2% of FS
<±1.5% of FS
Output Load:
0-800 Ohms@10-28VDC
10k Ohms, Min.
Reverse Polarity
Protection
Yes
Yes
AST44LP Intrinsically Safe Pressure Transducer / Transmitter
Performance @ 25°C (77°F)
Environmental Data
Temperature
Thermal Limits
Other
Electrical Data
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AST44LP Intrinsically Safe Pressure Transducer / Transmitter
Dimensions
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AST44LP Intrinsically Safe Pressure Transducer / Transmitter
UL Approved Barrier Installation / A01657 CSA Approved Barrier Installation / A08949
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AST44LP
A
00005 P 4 E 1
000
-ss
Series Type
Process Connection
A= 1/4” NPT Male
I= 1/4” NPT Female**
C= 1/4” BSPP Male
P= 1/2” NPT Male
Pressure Range
Insert 5-digit pressure range code (example: 0-1 PSI = 00001)
Ranges between 0-1 PSI and 0-15 PSI available.
Pressure Unit
B= Bar K= kg/cm2 P= PSI
Outputs
3= 1-5V
4= 4-20mA (2 wire loop powered)
6= 1-6V
Electrical
A= 2 ft. (0.6m)
L= Conduit, Cable 2 ft. (0.6 m)
B= 4 ft. (1.2m)
M= Conduit, Cable 4 ft. (1.2 m)
C= 6 ft. (1.8m)
N= Conduit, Cable 6 ft. (1.8 m)
D= 10 ft. (3.0m)
P= Conduit, Cable 10 ft. (3 m)
E= Mini DIN 43650C
R= 6- Pin Bendix
F= Packard Metripack 150 3-Pin
Y= M12x1
I= DIN 43650A
4 = Mini-Fast (CSA Only)
Wetted Material
1= 316L
4= Hastelloy C276
Options
000= No Options
588= 0.5-2.5V non-ratiometric (3-5VDC)
Approval
Insert code from approvals chart below [Leave blank for UL ANSI/ISA
12.12.01 Class I Div 1 Intrinsically Safe Groups C, D (formerly UL913)]
-SS
CSA157 Class I Div 1 Grps C, D Intrinsically Safe, ANSI/ISA 12.27.01
Single Seal and ATEX/IECEx Exia IIB Class I, Zone 0, T4
Note: CSA approved products require case/earth ground electrical connection. See wiring installation sheet for further details
TE.com/sensorsolutions
NORTH AMERICA
ASIA
AST44LP Intrinsically Safe Pressure Transducer / Transmitter
Ordering Information
American Sensor Technologies, Inc. (AST),
a TE Connectivity Company
Tel: 1 800-522-6752 (option 2)
Email: [email protected]
Hong Kong Sensor Technologies (HKST),
a TE Connectivity Company
Tel: 86 0400-820-6015
Email: [email protected]
Measurement Specialties, Inc., a TE Connectivity company.
Measurement Specialties, TE Connectivity, TE Connectivity (logo) and EVERY CONNECTION COUNTS are trademarks. All other logos, products and/or company names referred to herein
might be trademarks of their respective owners.
The information given herein, including drawings, illustrations and schematics which are intended for illustration purposes only, is believed to be reliable. However, TE Connectivity makes
no warranties as to its accuracy or completeness and disclaims any liability in connection with its use. TE Connectivity ‘s obligations shall only be as set forth in TE Connectivity‘s Standard
Terms and Conditions of Sale for this product and in no case will TE Connectivity be liable for any incidental, indirect or consequential damages arising out of the sale, resale, use or misuse
of the product. Users of TE Connectivity products should make their own evaluation to determine the suitability of each such product for the specific application.
© 2015 TE Connectivity Ltd. family of companies All Rights Reserved.
SENSOR SOLUTIONS /// AST44LP 02/2019
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